LSDStrain, Effects, Genetics, Grow Guide & Where to Buy
LSD is one of the most-searched cannabis strains in the United States, but the data behind the hype is what holds growers' attention. It is a balanced hybrid (49% indica / 51% sativa) testing at roughly 23% THC, with a flowering window of 65-70 days seed to harvest as an autoflower. This guide pulls together the lineage, the effects, the grow data, and the practical answer to "where can I buy LSD seeds in the USA" in one place.
LSD Quick Stats
THC
23%
Indica
49%
Sativa
51%
Autoflower
Yes
Flowering
65-70 days seed to harvest
Difficulty
intermediate
Indoor Yield
550-650 gr/m2
Outdoor Yield
280-350 gr/plant
Plant Height
80-100 cm
LSDEffects & Experience
The dominant effects of LSD are euphoric, creative, focused, and the experience is more nuanced than a simple high/low/sedating label would suggest. Onset is gradual rather than abrupt, the peak holds for roughly an hour, and the comedown is smooth, which is why this strain shows up in so many "daily driver" lists from experienced consumers.
Growing LSD
Growing LSD fits guerrilla growers and balcony cultivators, since the plant ignores light cycle and finishes before fall rains arrive. LSD runs on an 18/6 light schedule from seed to harvest, autoflower genetics ignore photoperiod, so there is no flip and no light-cycle change. Indoor yields land around 550-650 gr/m2 under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce 280-350 gr/plant. Expected plant height is 80-100 cm, with intermediate cultivation difficulty. Practical tips that move the needle: maintain canopy airflow with an oscillating fan moving air through the leaves, not just above them, to prevent powdery mildew; and apply low-stress training in week 2 of veg, bend the main stem horizontally and tie down to expose lower nodes. The most common challenge growers report is calcium and magnesium supplementation under bright LED lighting; cal-mag at 2-3 mL/gal from week 2 prevents the most common deficiency.
LSDLineage & Genetics
LSD is offered in the Royal King Seeds catalog. Read the description on this page as a general profile rather than a guarantee of your specific pack; expect some phenotype variation between packs.
Where to Buy LSD Seeds in the USA
LSD seeds ship from Royal King Seeds from within the United States. Estimated delivery is approximately 5-7 business days; actual timing varies by destination and carrier.
LSD FAQ
Is LSD indica or sativa?+
LSD is a balanced hybrid with a 49% indica / 51% sativa split. The effects lean balanced, neither dominantly head nor body.
How long does LSD take to flower?+
LSD flowers in 65-70 days seed to harvest from seed, since autoflower genetics ignore light cycle. Outdoor harvest typically lands 70-90 days after planting.
What is the THC content of LSD?+
LSD tests at approximately 23% THC when grown to its potential. Real-world numbers depend on grow conditions, harvest timing, and curing, well-grown phenotypes can land at the high end of that range, while poorly cured flower tests lower.
Is LSD good for beginner growers?+
LSD is rated intermediate difficulty. The autoflower genetics simplify the process, no light schedule changes and a fast seed-to-harvest timeline make it forgiving for first-time growers. Most growers with one harvest behind them handle this strain without difficulty.
Where can I buy LSD seeds in the USA?+
Royal King Seeds ships LSD seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/lsd-auto.